x ( pl x's or xs ) noun , X ( pl X's or Xs ) noun [eks] 1. [letter] x m o f inv, X m o f inv 2. MATHS x x number of people un numero x di persone 3. [at end of letter] bacio m
Complétez la séquence avec la proposition qui convient. My friend is … good at maths nor at French. neither either both